7.8
HIGH CVSS 3.1
CVE-2026-46197
drm/amdkfd: validate SVM ioctl nattr against buffer size
Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)

INFO

Published Date :

May 28, 2026, 10:16 a.m.

Last Modified :

June 10, 2026, 4:59 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2026-46197 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
Apply the kernel patch to validate user input and prevent buffer overflows.
  • Update the Linux kernel to the patched version.
  • Apply the specific security commit to the kernel.
  • Recompile and deploy the modified kernel.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-46197 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-46197 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-46197 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-46197 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jun. 10, 2026

    Action Type Old Value New Value
    Added CWE CWE-787
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.175 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.140 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.32 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.90 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.14 up to (excluding) 5.15.209 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.9
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/fb07a0c9c8419164812e07274947f11b1d92dd61 Types: Patch
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jun. 01, 2026

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/daa8bc5f83814b55b71d2b5b3a090d57a5219c21
    Added Reference https://git.kernel.org/stable/c/fb07a0c9c8419164812e07274947f11b1d92dd61
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 30, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2026

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: validate SVM ioctl nattr against buffer size Validate nattr field against the buffer size, preventing out-of-bounds buffer access via user-controlled attribute count. (cherry picked from commit 5eca8bfdfa456c3304ca77523718fe24254c172f)
    Added Reference https://git.kernel.org/stable/c/045e0ff208f0838a246c10204105126611b267a1
    Added Reference https://git.kernel.org/stable/c/6abd3a4417cb73a7d0db7e25bf11fae1074bdba3
    Added Reference https://git.kernel.org/stable/c/91c6dc5a41695d02dfc6299f106ac38a6c493e52
    Added Reference https://git.kernel.org/stable/c/ccd060b5c7cc75ae7e211c250b97c5b6272e7efc
    Added Reference https://git.kernel.org/stable/c/db9530a9873a7c85d2266a922589ebcf427fa631
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.